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itkGradientMagnitudeRecursiveGaussianImageFilter.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkGradientMagnitudeRecursiveGaussianImageFilter.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:28:48 $ 00007 Version: $Revision: 1.12 $ 00008 00009 Copyright (c) Insight Software Consortium. All rights reserved. 00010 See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. 00011 00012 This software is distributed WITHOUT ANY WARRANTY; without even 00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00014 PURPOSE. See the above copyright notices for more information. 00015 00016 =========================================================================*/ 00017 #ifndef __itkGradientMagnitudeRecursiveGaussianImageFilter_h 00018 #define __itkGradientMagnitudeRecursiveGaussianImageFilter_h 00019 00020 #include "itkNthElementImageAdaptor.h" 00021 #include "itkImage.h" 00022 #include "itkPixelTraits.h" 00023 #include "itkRecursiveGaussianImageFilter.h" 00024 00025 namespace itk 00026 { 00027 00039 // NOTE that the ITK_TYPENAME macro has to be used here in lieu 00040 // of "typename" because VC++ doesn't like the typename keyword 00041 // on the defaults of template parameters 00042 template <typename TInputImage, 00043 typename TOutputImage= TInputImage > 00044 class ITK_EXPORT GradientMagnitudeRecursiveGaussianImageFilter: 00045 public ImageToImageFilter<TInputImage,TOutputImage> 00046 { 00047 public: 00049 typedef GradientMagnitudeRecursiveGaussianImageFilter Self; 00050 typedef ImageToImageFilter<TInputImage,TOutputImage> Superclass; 00051 typedef SmartPointer<Self> Pointer; 00052 typedef SmartPointer<const Self> ConstPointer; 00053 00054 00056 typedef TInputImage InputImageType; 00057 typedef typename InputImageType::PixelType PixelType; 00058 00059 00061 itkStaticConstMacro(ImageDimension, unsigned int, 00062 TInputImage::ImageDimension); 00063 00064 typedef typename NumericTraits<PixelType>::RealType RealType; 00065 00070 typedef float InternalRealType; 00071 typedef Image<InternalRealType, 00072 itkGetStaticConstMacro(ImageDimension) > RealImageType; 00073 00075 typedef RecursiveGaussianImageFilter< 00076 RealImageType, 00077 RealImageType 00078 > GaussianFilterType; 00079 00081 typedef RecursiveGaussianImageFilter< 00082 InputImageType, 00083 RealImageType 00084 > DerivativeFilterType; 00085 00087 typedef typename GaussianFilterType::Pointer GaussianFilterPointer; 00088 00090 typedef typename DerivativeFilterType::Pointer DerivativeFilterPointer; 00091 00093 typedef typename TOutputImage::Pointer OutputImagePointer; 00094 00096 typedef TOutputImage OutputImageType; 00097 typedef typename OutputImageType::PixelType OutputPixelType; 00098 00100 typedef Image< InternalRealType, 00101 itkGetStaticConstMacro(ImageDimension) > CumulativeImageType; 00102 typedef typename CumulativeImageType::Pointer CumulativeImagePointer; 00103 00105 itkNewMacro(Self); 00106 00108 void SetSigma( RealType sigma ); 00109 00111 void SetNormalizeAcrossScale( bool normalizeInScaleSpace ); 00112 itkGetMacro( NormalizeAcrossScale, bool ); 00113 00119 virtual void GenerateInputRequestedRegion() throw(InvalidRequestedRegionError); 00120 00121 protected: 00122 GradientMagnitudeRecursiveGaussianImageFilter(); 00123 virtual ~GradientMagnitudeRecursiveGaussianImageFilter() {}; 00124 void PrintSelf(std::ostream& os, Indent indent) const; 00125 00127 void GenerateData( void ); 00128 00129 // Override since the filter produces the entire dataset 00130 void EnlargeOutputRequestedRegion(DataObject *output); 00131 00132 private: 00133 GradientMagnitudeRecursiveGaussianImageFilter(const Self&); //purposely not implemented 00134 void operator=(const Self&); //purposely not implemented 00135 00136 GaussianFilterPointer m_SmoothingFilters[ImageDimension-1]; 00137 DerivativeFilterPointer m_DerivativeFilter; 00138 00139 CumulativeImagePointer m_CumulativeImage; 00140 00142 bool m_NormalizeAcrossScale; 00143 00144 00145 }; 00146 00147 } // end namespace itk 00148 00149 #ifndef ITK_MANUAL_INSTANTIATION 00150 #include "itkGradientMagnitudeRecursiveGaussianImageFilter.txx" 00151 #endif 00152 00153 #endif 00154 00155 00156 00157

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